4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
3448 | Do new ideas increase the weight of the brain? [Dance] |
12719 | Clearly, force is that from which action follows, when unimpeded [Leibniz] |
12720 | Time doesn't exist, since its parts don't coexist [Leibniz] |